The 2nd annual
POLLUTION CONTROL DIRECTORY EQUIPMENT, INSTRUMENTS, CHEMICALS
COMPANY DIRECTORY
. . . over 400 products with the manufacturers listed under each heading.
. . . more than 1,000 firms, their addresses, with cross references to their ads (if in this issue).
ENV •HON
MENT Al •'"^'IVM-I,
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EVENTS GUIDE . . . calendar of more than 125 exhibits and conventions.
>*** r *?%$5W%mm*A I ENVIRONMENTAL Science & Technology |
Advertising Deadline: Sept. 1
An American Chemical Society Publication Advertising ManagBment:
REINHOLD PUBLISHING CORP.
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SUBSIDIARY OF LITTON PUBLICATIONS, INC.
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